Air circulator



FIG. 1 is a rear elevation view of the air circulator;

FIG. 2 is a front elevation view of the air circulator of FIG. 1;

FIG. 3 is a right elevation view of the air circulator of FIG. 1;

FIG. 4 is a left elevation view of the air circulator of FIG.;

FIG. 5 is a top elevation view of the air circulator of FIG. 1;

FIG. 6 is a perspective view of the air circulator of FIG. 1; and,

FIG. 7 is a perspective view of the air circulator of FIG. 1.

The broken line showing of a front grill, a rear grill, a hub, apertures and a base is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for an air circulator, as shown and described. 